Re: condenser optics??

From: Sam Wells (email suppressed)
Date: Wed Jan 04 2006 - 08:13:45 PST

> Seems to me like the
> foil/filament could be designed in such a way as to direct light that
> with
> the aid of the reflector would focus to a finer point

What you want is the light more or less parallel I think. The lens does
the 'focussing to a point' so to speak.

The real problem with 16mm projection is edge to edge sharpness and

(measure screen brightness with a spot meter sometime, see what happens
the further you get off the center)


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